C13223313311212111133133313331333131212111113331333121111331333132121   >>    C1322331331121211113313331333133313121211111333133312111133133313212   <<    C13223313311212111133133313331333131212111113331333121111331333132123   >>      C13223313311212111133133313331333131212111113331333121111331333132122   >>